[INFO] fetching crate neon-runtime 0.9.0...
[INFO] documenting neon-runtime-0.9.0 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate neon-runtime 0.9.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate neon-runtime 0.9.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate neon-runtime 0.9.0
[INFO] finished tweaking crates.io crate neon-runtime 0.9.0
[INFO] tweaked toml for crates.io crate neon-runtime 0.9.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7b3d99787761700dd5a1ef986e9b56c7eecc46120b6208672242dabff6abd09
[INFO] running `Command { std: "docker" "start" "-a" "f7b3d99787761700dd5a1ef986e9b56c7eecc46120b6208672242dabff6abd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7b3d99787761700dd5a1ef986e9b56c7eecc46120b6208672242dabff6abd09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7b3d99787761700dd5a1ef986e9b56c7eecc46120b6208672242dabff6abd09", kill_on_drop: false }`
[INFO] [stdout] f7b3d99787761700dd5a1ef986e9b56c7eecc46120b6208672242dabff6abd09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c3d2a99a40659ceb46debd87f3fca53e6b36032caadb4666f5d1a9e1606f647
[INFO] running `Command { std: "docker" "start" "-a" "4c3d2a99a40659ceb46debd87f3fca53e6b36032caadb4666f5d1a9e1606f647", kill_on_drop: false }`
[INFO] [stderr]  Documenting neon-runtime v0.9.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: The Neon runtime must have at least one of the `neon-sys` or `napi` backends enabled.
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | / compile_error!(
[INFO] [stdout] 3 | |     "The Neon runtime must have at least one of the `neon-sys` or `napi` backends enabled."
[INFO] [stdout] 4 | | );
[INFO] [stdout]   | |__^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not document `neon-runtime`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name neon_runtime src/lib.rs -o /opt/rustwide/target/doc --cfg 'feature="default"' --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern cfg_if=/opt/rustwide/target/debug/deps/libcfg_if-810dd9fbe1e28608.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-1f20c4f5ff376b51.rmeta --cap-lints=warn --crate-version 0.9.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "4c3d2a99a40659ceb46debd87f3fca53e6b36032caadb4666f5d1a9e1606f647", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c3d2a99a40659ceb46debd87f3fca53e6b36032caadb4666f5d1a9e1606f647", kill_on_drop: false }`
[INFO] [stdout] 4c3d2a99a40659ceb46debd87f3fca53e6b36032caadb4666f5d1a9e1606f647
